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Partname: | DS1644-120 |
Description: | 32K x 8 nonvolatile timekeeping static RAM, 120ns access |
Manufacturer: | Dallas Semiconductor |
Package: | LPM |
Pins: | 34 |
Oper. temp.: | 0 to 70 |
Datasheet: | PDF (108K). Click here to download *) |
The DS1644L is a low profile module that requires a PLCC surface mountable socket and is functionally equivalent to the DS1644. The DS1644L is a 32K x 8 nonvolatile static RAM with a full function real time clock which are both accessible in a Bytewide format. The real time clock information resides in the eight uppermost RAM locations. The RTC registers contain year, month, date, day, hours, minutes, and seconds data in 24 hour BCD format. Corrections for the day of the month and leap year are made automatically. The RTC clock registers are double buffered to avoid access of in- |
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Click here to download DS1644-120 Datasheet*) |
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